Head to head · updated 22 October 2026
OpenAI vs Anthropic
Anthropic is ahead: #2 with 91.6 points against OpenAI’s #5 and 80.4.
| OpenAI | Anthropic | |
|---|---|---|
| Rank | #5 | #2 |
| Index score | 80.4 | 91.6 |
| Change, 24h | ±0.0 | −0.1 |
| Flagship model | GPT-6 Astra | Claude Opus 5.5 |
| Capability | 86.0 | 93.0 |
| Release velocity | 54.6 | 82.7 |
| Compute & capital | 97.0 | 99.0 |
| Attention, 24h (not counted) | 96/100 | 100/100 |
Where they stand in the whole race
| # | Lab | Index | 24h | Flagship |
|---|---|---|---|---|
| 1 | Meta | 94.3 | −0.1 | Muse Wonder |
| 2 | Anthropic | 91.6 | −0.1 | Claude Opus 5.5 |
| 3 | Google DeepMind | 89.7 | −0.1 | Gemini 4 Argon |
| 4 | Alibaba Qwen | 80.6 | −0.1 | Qwen3.8-Max |
| 5 | OpenAI | 80.4 | ±0.0 | GPT-6 Astra |
| 6 | DeepSeek | 73.8 | −0.1 | DeepSeek V4.1-Flash |
| 7 | xAI | 70.8 | −0.1 | Grok 4.7 |
| 8 | Moonshot AI | 58.8 | ±0.0 | Kimi K3 |
| 9 | Mistral AI | 56.5 | ±0.0 | Mistral Large 4 |
| 10 | Apple | 50.1 | ±0.0 | Siri AI (iOS 27) |